tending to promote physical well-being; beneficial to health;
in financial comfort; "They live well"; "she has been able to live comfortably since her husband died"
in excellent physical condition;
in a manner affording benefit or advantage; "she married well"; "The children were settled advantageously in Seattle"
appealing to the mind;
it would be sensible; "you'd best stay at home"
to a great extent or degree; "I'm afraid the film was well over budget"; "painting the room white made it seem considerably (or substantially) larger"; "the house has fallen considerably in value"; "the price went up substantially"
agreeable or pleasing;
in a most excellent way or manner; "he played best after a couple of martinis"
the supreme effort one can make; "they did their best"
with skill or in a pleasing manner; "she dances well"; "he writes well"